In small mixing bowl beat remaining 1/2 cup milk and topping mix on low speed of electric mixer until combined. Increase speed to high. Beat about 4 minutes or until stiff peaks form (tips stand straight).

Sift cocoa powder over 12 serving plates. Remove foil bake cups from cheesecakes. Place one cheesecake in center of each plate. Pipe or spoon whipped mixture on top of cheesecakes. Garnish each cheesecake with cherry and cookie half, if desired. Store in refrigerator.